53 entries under questionable topic. ×
| unclear(adjective, open, uncertain, definite, doubtful) | |
| borderline(adjective, open, uncertain, definite, doubtful) | |
| equivocal(adjective, open, uncertain, definite, doubtful) | |
| erratic(adjective, doubtful, vague, hesitant, dubious) | |
| inconstant(adjective, doubtful, vague, hesitant, unsure) | |
| indeterminate(adjective, uncertain, doubtful, unsettled, vague) | |
| iffy(adjective, open, uncertain, definite, doubtful) | |
| unstable(adjective, weak, uncertain, nervous, doubtful) | |
| ambiguous(adjective, open, uncertain, doubtful, unsettled) | |
| insecure(adjective, open, uncertain, nervous, doubtful) | |
| unfixed(adjective, uncertain, doubtful, vague, hesitant) | |
| unpredictable(adjective, uncertain, doubtful, vague, hesitant) | |
| unreliable(adjective, uncertain, nervous, doubtful, vague) | |
| up in the air(expression, adjective, idiom, open, certain) | |
| unconfirmed(adjective, doubtful, unsettled, vague, hesitant) | |
| untrustworthy(adjective, uncertain, nervous, doubtful, hesitant) | |
| up for grabs(expression, idiom, uncertain, doubtful, vague) | |
| variable(adjective, uncertain, doubtful, vague, hesitant) | |
| chancy(uncertain, doubtful, vague, dubious, risky) | |
| conjectural(doubtful, unsettled, vague, hesitant, indefinite) |
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| APA | Smart Define. (2015). undecided thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/undecided/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "undecided thesaurus" https://smartdefine.org/undecided/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, undecided thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/undecided/thesaurus/synonyms>. |
| MLA | Smart Define. "undecided thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/undecided/thesaurus/synonyms> |